81174005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{27847}}^1$

素因数の和:27916

約数の個数: 16

約数和(自身を含む): 108273024

約数和(自身を除く): 27099019

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 27847, 139235, 306317, 1475891, 1531585, 7379455, 16234801, 81174005]

約数ペア:

[(1, 81174005), (5, 16234801), (11, 7379455), (53, 1531585), (55, 1475891), (265, 306317), (583, 139235), (2915, 27847)]